Sign



FIG. 1 is a perspective view showing the ornamental design of a sign according to my invention;

FIG. 2 is a side plan view of the sign as shown in FIG. 1, the opposite side view being identical;

FIG. 3 is a front plan view of the sign shown in FIG. 1;

FIG. 4 is a rear plan view of the sign shown in FIG. 1;

FIG. 5 is a top plan view of the sign shown in FIG. 1; and,

FIG. 6 is a bottom plan view of the sign shown in FIG. 1. 

The ornamental design for a sign, as shown. 